determinar as integrais multiplas a seguir

[henrique12345]

\(\int \int e^{xy}*40y dxdy\)

[josesousa]

Vou fazer com calma
\(\int \int e^{xy}.40ydxdy=\)
\(\int 40y \left( \int e^{xy}.dx \right) dy=\)
\(\int 40y \left[ \frac{e^{xy}}{y}\right] dy=\)
\(\int 40e^{xy} dy=\)
\(\frac{40e^{xy}}{x} +K\)